74HCT08DR2G

Overview

The onsemi 74HCT08DR2G is a high-performance silicon-gate CMOS quad 2-input AND gate. It features LSTTL-compatible inputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides an output drive capability of 10 LSTTL loads, with maximum propagation delays of 15 ns at 4.5 V and 22 ns at 5.5 V under a 50 pF load. It includes ESD protection rated at 2000 V (HBM) and 200 V (Machine Model). Packaged in a lead-free SOIC-14 case 751A, it supports an operating temperature range from -55°C to +125°C.

Feature Summary

• Features TTL/NMOS-compatible input levels for direct interfacing with CMOS, NMOS, and TTL logic families.
• Provides robust noise immunity characteristic of CMOS devices alongside low input current consumption.
• Includes integrated electrostatic discharge (ESD) protection circuitry to guard against damage from high static voltages.

Applications

• Digital signal processing circuits requiring quad 2-input AND logic functions
• Industrial control systems utilizing LSTTL-compatible interfaces
• Automotive electronics operating across extended temperature ranges

Procurement Notes

Verify the specific ordering suffix 'DR2G' corresponds to the SOIC-14 package and tape & reel shipping configuration. Confirm that the component meets RoHS compliance standards as indicated by the Pb-Free designation. Ensure the procurement documentation matches the manufacturer's part number exactly to avoid discrepancies in package type or electrical specifications.

Selection Notes

Select this component when LSTTL-compatible inputs are required for interfacing with legacy logic families. The wide operating temperature range makes it suitable for harsh environments. Verify that the 4.5 V to 5.5 V supply voltage aligns with the system design constraints. Consider the SOIC-14 package dimensions for PCB layout compatibility.

Part Context

This device belongs to the 74HCT series of high-speed CMOS logic gates manufactured by onsemi. It shares pinout compatibility with LS08 devices while offering improved performance characteristics typical of HCT technology. The series is designed for applications requiring fast switching speeds and low power consumption in standard digital logic environments.

Replacement Considerations

Public confirmed substitute part numbers include MC74HCT08ADR2G.

FAQ

What is the maximum propagation delay for the 74HCT08DR2G?

The maximum propagation delay is 15 ns at 4.5 V and 22 ns at 5.5 V, measured with a 50 pF load.

Does the 74HCT08DR2G support LSTTL-compatible inputs?

Yes, the device features LSTTL-compatible inputs, allowing it to interface directly with LSTTL, CMOS, NMOS, and TTL logic families.